The TIP140G is a Bipolar (BJT) Transistor NPN Darlington manufactured by ON Semiconductor. It is a 60 V, 10 A, 125 W Through Hole TO-247-3. It can be used for high power switching applications, as well as audio amplifying applications. With a maximum DC current gain of 1000, this device is ideal for high current switching applications. The Darlington connection of the TIP140G gives it superior saturation characteristics. This device also features a high power dissipation of 125 W, making it ideal for use in power amplifiers. Additionally, this transistor has a wide Vce range and can be used in high voltage applications.